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    METHOD AND APPARATUS FOR CONTROLLING RADIO RESOURCE FOR A REDUNDANT ROUTE FOR A DUAL-CONNECTING IAB-NODE IN A WIRELESS COMMUNICATION SYSTEM
    13.
    发明申请
    METHOD AND APPARATUS FOR CONTROLLING RADIO RESOURCE FOR A REDUNDANT ROUTE FOR A DUAL-CONNECTING IAB-NODE IN A WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20220086935A1

    公开(公告)日：2022-03-17

    申请号：US17420119

    申请日：2020-01-16

    Applicant: LG ELECTRONICS INC.

    Inventor： Daewook BYUN ,  Bokyung BYUN ,  Jian XU ,  Seokjung KIM

    IPC: H04W76/15 ,  H04W72/04 ,  H04W74/08

    Abstract: A method and apparatus for controlling radio resource of a redundant route for a dual-connecting Integrated Access and Backhaul (IAB) node in a wireless communication system will be provided. The CU of the IAB-donor is connected with a dual-connecting IAB-node via a master cell group (MCG) IAB-node. The CU of the IAB-donor initiates an establishment of a connection with the dual-connecting IAB-node via a secondary cell group (SCG) IAB-node. The CU of the IAB-donor transmits, to the SCG IAB-node, a first information which informs not allocating radio resource for a bearer. The CU of the IAB-donor determines to use the connection with the dual-connecting IAB-node via the SCG IAB-node. The CU of the IAB-donor transmits, to the SCG IAB-node, a second information to request allocating the radio resource for the bearer.

    METHOD FOR REQUESTING RRC CONNECTION AND APPARATUS SUPPORTING SAME
    14.
    发明申请
    METHOD FOR REQUESTING RRC CONNECTION AND APPARATUS SUPPORTING SAME 有权

    公开(公告)号：US20210160951A1

    公开(公告)日：2021-05-27

    申请号：US16612337

    申请日：2018-05-09

    Applicant: LG Electronics Inc.

    Inventor： Youngdae LEE ,  Bokyung BYUN

    IPC: H04W76/27 ,  H04W76/19

    Abstract: Disclosed are a method for requesting an RRC connection and an apparatus supporting same. The method comprises the steps of: generating a message for an RRC connection request; generating a header including an indicator indicating a use relating to the RRC connection request of the generated message, and generating a medium access control protocol data unit (MAC PDU) including the generated message; and transmitting the generated MCA PDU to a base station.

    METHOD AND APPARATUS FOR CHANGING PDCP VERSION
    15.
    发明申请
    METHOD AND APPARATUS FOR CHANGING PDCP VERSION 有权

    公开(公告)号：US20210136584A1

    公开(公告)日：2021-05-06

    申请号：US16638661

    申请日：2018-10-11

    Applicant: LG Electronics Inc.

    Inventor： Bokyung BYUN ,  Youngdae LEE ,  Geumsan JO

    IPC: H04W12/106 ,  H04W12/041 ,  H04W80/02 ,  H04W76/27 ,  H04W4/40

    Abstract: Provided is a method for changing, by a user equipment (UE), packet data convergence protocol (PDCP) version. The method may include: receiving a security mode command message, which includes a first security algorithm configuration for a PDCP of a first system and a second security algorithm configuration for a PDCP of a second system, from a base station (BS); deriving a first security key for the PDCP of the first system, based on the first security algorithm configuration; when the security mode command message passes an integrity protection check based on the first security key, changing the PDCP version from the PDCP of the first system to the PDCP of the second system; deriving a second security key for the PDCP of the second system, based on the second security algorithm configuration; and transmitting a security mode complete message, based on the second security key, to the BS.

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